Originally Posted by steve sumner

the only reason to use loose balls is to be able to use the maximum amount
of balls. cup and cone bottom brackets like yours often use retainers that have
9 balls. some really cheap French retainers only have 7 balls. use retainers that
have 11 balls and you'll have the best of both worlds.
by 78 your Stronglight crank will have the standard 22mm extractor threads.
Park Tools are fine shop quality tools
when Fissile says axle flats he means the part that the crank arm fits onto
axle is incorrect. axles are stationary, spindles turn